What idioms are there at the beginning of the card?

There is no card idiom, guess the idiom is

1) is inseparable

Reason: A horizontal line in the middle of the word "card" divides the word "card" into upper and lower parts. If the upper part is regarded as a shape and the lower part is like the reflection of the upper part in the water, it can be interpreted as inseparable.

(2) connecting the preceding with the following.

Reason: Similarly, a horizontal line in the middle of the word "card" is not only the ending stroke above, but also the beginning stroke below, so it can be interpreted as a connecting link between the preceding and the following.

③ Up and down are one.

(4) can't go up and down.